HARKEN 12mm "D" Shackle — High Resistance, 2127 Type_Deck Cleats (Open Base) Schaefer Spring-Loaded Block provides full

Schaefer Spring-Loaded Block provides full rotation and articulation

Core Blocks™ is a true all-around solution

Sideplates are UV-stabilized

Schaefer Aluminum Fiddle Block with Cam and Becket allows for 3:1 or 4:1 tackles on boom vangs and mainsheets

or for control line applications

HARKEN 12mm "D" Shackle — High Resistance, 2127 Type_Deck Cleats (Open Base) Schaefer Spring-Loaded Block provides fullForged stainless steel shackles are polished to a high luster and are stamped with the screw pin diameter. Twist shackles are forged with a 90 degree twist so the two attachment points can be perpendicular without torquing. Special Order Only